The Q&A Archives: Perennials leaves brown and drying up

Question: My perennial plants-monarda, coneflower, and liatrus-are turning brown and drying up. The plants appear to be dying but are still flowering. What is wrong with the plants?

Answer: Based on your description it is difficult to make a guess, but it is possible they are suffering from mildew or some other fungal infection. You might want to take a sample to your County Extension (799-2233) for a more definite diagnosis and suggested remedies. I'm sorry I can't be more helpful.

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